Generation of process hot air using oil or gas fuel.
The oil or gas burner produces high-temperature combustion gas, which transfers heat through the furnace surfaces to the process-air stream. The heated clean air is then delivered to the connected drying equipment.
| Model | Heat Output (×10⁴ kJ/h) | Heat Output (×10⁴ kcal/h) | Outlet-Air Temperature (°C) | Direct-Combustion Efficiency | Indirect-Combustion Efficiency | Fuel-Oil Consumption (kg/h) | Fuel-Gas Consumption (m³/h) |
| RLY/RLQ-1 | 4.2 | 1 | 60–500 | ≥95% | ≥75% | 1.05 | 1.3 |
| RLY/RLQ-4 | 16.8 | 4 | 60–500 | ≥95% | ≥75% | 4.2 | 5.2 |
| RLY/RLQ-10 | 41.8 | 10 | 60–500 | ≥95% | ≥75% | 10.5 | 13 |
| RLY/RLQ-20 | 84 | 20 | 60–500 | ≥95% | ≥75% | 21 | 26 |
| RLY/RLQ-30 | 125 | 30 | 60–500 | ≥95% | ≥75% | 31.5 | 39 |
| RLY/RLQ-40 | 167 | 40 | 60–500 | ≥95% | ≥75% | 42 | 52 |
| RLY/RLQ-60 | 251 | 60 | 60–500 | ≥95% | ≥75% | 63 | 78 |
| RLY/RLQ-80 | 334 | 80 | 60–500 | ≥95% | ≥75% | 84 | 104 |
| RLY/RLQ-100 | 418 | 100 | 60–500 | ≥95% | ≥75% | 105 | 130 |
| RLY/RLQ-120 | 502 | 120 | 60–500 | ≥95% | ≥75% | 126 | 156 |
| RLY/RLQ-180 | 752 | 180 | 60–500 | ≥95% | ≥75% | 189 | 234 |
| RLY/RLQ-200 | 836 | 200 | 60–500 | ≥95% | ≥75% | 210 | 260 |
| RLY/RLQ-300 | 1254 | 300 | 60–500 | ≥95% | ≥75% | 315 | 390 |
| RLY/RLQ-400 | 1672 | 400 | 60–500 | ≥95% | ≥75% | 420 | 520 |
| RLY/RLQ-500 | 2090 | 500 | 60–500 | ≥95% | ≥75% | 525 | 650 |
